internal GenericSeekableNavigator(GenericSeekableNavigator navigator)
{
this.navigator = navigator.navigator.Clone();
this.nodes = new QueryBuffer<XPathNavigator>();
this.currentPosition = navigator.currentPosition;
this.dom = navigator.dom;
}
internal GenericSeekableNavigator(XPathNavigator navigator)
{
this.navigator = navigator;
this.nodes = new QueryBuffer<XPathNavigator>(4);
this.currentPosition = -1L;
this.dom = this;
}
internal GenericSeekableNavigator(XPathNavigator navigator)
{
this.navigator = navigator;
this.nodes = new QueryBuffer <XPathNavigator>(4);
this.currentPosition = -1;
this.dom = this;
}
internal GenericSeekableNavigator(GenericSeekableNavigator navigator)
{
this.navigator = navigator.navigator.Clone();
this.nodes = default(QueryBuffer <XPathNavigator>);
this.currentPosition = navigator.currentPosition;
this.dom = navigator.dom;
}
public override bool IsSamePosition(XPathNavigator other)
{
GenericSeekableNavigator nav = other as GenericSeekableNavigator;
if (null != nav)
{
return(this.navigator.IsSamePosition(nav.navigator));
}
return(false);
}
public override bool IsDescendant(XPathNavigator navigator)
{
if (navigator == null)
{
return(false);
}
GenericSeekableNavigator navigator2 = navigator as GenericSeekableNavigator;
return((navigator2 != null) && this.navigator.IsDescendant(navigator2.navigator));
}
public override bool MoveTo(XPathNavigator other)
{
GenericSeekableNavigator navigator = other as GenericSeekableNavigator;
if ((navigator != null) && this.navigator.MoveTo(navigator.navigator))
{
this.currentPosition = navigator.currentPosition;
return(true);
}
return(false);
}
public override XmlNodeOrder ComparePosition(XPathNavigator navigator)
{
if (navigator != null)
{
GenericSeekableNavigator navigator2 = navigator as GenericSeekableNavigator;
if (navigator2 != null)
{
return(this.navigator.ComparePosition(navigator2.navigator));
}
}
return(XmlNodeOrder.Unknown);
}
public override bool IsDescendant(XPathNavigator navigator)
{
if (navigator == null)
{
return(false);
}
GenericSeekableNavigator nav = navigator as GenericSeekableNavigator;
if (null != nav)
{
return(this.navigator.IsDescendant(nav.navigator));
}
return(false);
}
public override bool IsSamePosition(XPathNavigator other)
{
GenericSeekableNavigator navigator = other as GenericSeekableNavigator;
return((navigator != null) && this.navigator.IsSamePosition(navigator.navigator));
}
public override object Invoke(XsltContext xsltContext, object[] args, XPathNavigator docContext)
{
string actor = ToString(args[0]);
string e = string.Format(CultureInfo.InvariantCulture, "/s11:Envelope/s11:Header/*[@s11:actor='{0}'] | /s12:Envelope/s12:Header/*[@s12:role='{1}']", actor, actor);
XPathExpression expr = docContext.Compile(e);
expr.SetContext(xsltContext);
return docContext.Evaluate(expr);
#if NO
// PERF, [....], I drafted this implementation before we found out that a bug in the Fx implementation would
// prevent us from constructing an XPathNodeIterator that they would accept. I'm keeping it
// around in the hope that I will be able to use it by M5.4. If not, it will be deleted.
XPathNavigator basicNav = docContext.Clone();
SeekableXPathNavigator nav = basicNav as SeekableXPathNavigator;
if(nav == null)
{
nav = new GenericSeekableNavigator(basicNav);
}
string actor = (string)args[0];
NodeSequence seq = new NodeSequence();
XPathNodeIterator result = new NodeSequenceIterator(seq);
nav.MoveToRoot();
if(!nav.MoveToFirstChild())
{
return result;
}
if(nav.LocalName != "Envelope")
{
return result;
}
if(nav.NamespaceURI == XPathMessageContext.S11NS)
{
// Move to Header
if(nav.MoveToFirstChild() && nav.LocalName == "Header" && nav.NamespaceURI == XPathMessageContext.S11NS)
{
// Move to first Header block
if(nav.MoveToFirstChild())
{
// Iterate over header blocks
do
{
if(nav.MoveToAttribute("actor", XPathMessageContext.S11NS))
{
if(nav.Value == actor)
{
seq.Add(nav);
}
nav.MoveToParent();
}
} while(nav.MoveToNext());
}
}
}
else if(nav.NamespaceURI == XPathMessageContext.S12NS)
{
// Move to Header
if(nav.MoveToFirstChild() && nav.LocalName == "Header" && nav.NamespaceURI == XPathMessageContext.S12NS)
{
// Move to first Header block
if(nav.MoveToFirstChild())
{
// Iterate over header blocks
do
{
if(nav.MoveToAttribute("role", XPathMessageContext.S12NS))
{
if(nav.Value == actor)
{
seq.Add(nav);
}
nav.MoveToParent();
}
} while(nav.MoveToNext());
}
}
}
return result;
#endif
}
